//单行超出省略
.singe-line-ellipsis {
    text-overflow: ellipsis;
    overflow: hidden;
    word-break: break-all;
    white-space: nowrap;
  }
	
//两行超出省略
.double-line-ellipsis {
		word-break: break-all;
		overflow: hidden;
		display: -webkit-box;
		-webkit-line-clamp: 2;
		-webkit-box-orient: vertical;
	}